Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. Atrial natriuretic peptide promotes water retention in the kidneys and increases the amount of water in the body.

검증된 단계별 안내

Step 1: Begin by understanding the role of atrial natriuretic peptide (ANP). ANP is a hormone secreted by the atria of the heart in response to increased blood volume and pressure. Its primary function is to reduce blood volume and pressure by promoting the excretion of sodium and water by the kidneys.

Step 2: Analyze the statement provided. The statement claims that ANP promotes water retention in the kidneys and increases the amount of water in the body. Compare this claim with the known function of ANP.

Step 3: Identify whether the statement is true or false. Since ANP promotes the excretion of sodium and water, it does not cause water retention. Therefore, the statement is false.

Step 4: Correct the false statement to make it true. A corrected version of the statement would be: 'Atrial natriuretic peptide promotes the excretion of sodium and water by the kidneys, reducing the amount of water in the body.'

Step 5: Summarize the corrected understanding. ANP helps regulate blood pressure and volume by reducing water and sodium levels in the body, which is the opposite of what the original statement suggests.

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주요 개념

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Atrial Natriuretic Peptide (ANP)

Atrial Natriuretic Peptide (ANP) is a hormone produced by the heart's atria that plays a crucial role in regulating blood pressure and fluid balance. It is released in response to increased blood volume and pressure, promoting natriuresis, which is the excretion of sodium through urine. This process leads to increased urine output and decreased blood volume, counteracting water retention.

Water Retention

Water retention refers to the body's ability to hold onto excess fluid, which can lead to swelling and increased blood pressure. Hormones like aldosterone and antidiuretic hormone (ADH) typically promote water retention, while ANP has the opposite effect. Understanding the balance between these hormones is essential for comprehending fluid regulation in the body.

Kidney Function in Fluid Regulation

The kidneys play a vital role in maintaining fluid balance and electrolyte levels in the body. They filter blood, reabsorb necessary substances, and excrete waste products and excess fluids. Hormones such as ANP influence kidney function by altering the reabsorption of sodium and water, thereby affecting overall fluid volume and blood pressure.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.d. Atrial natriuretic peptide promotes water retention in the kidneys and increases the amount of water in the body.